[jira] [Commented] (SPARK-29573) Spark should work as PostgreSQL when using + Operator
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https://issues.apache.org/jira/browse/SPARK-29573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16985690#comment-16985690
]
Xiao Li commented on SPARK-29573:
-
We are unable to break our existing Spark behavior. Please consider using || or
CONCAT when need a concat operator.
> Spark should work as PostgreSQL when using + Operator
> -
>
> Key: SPARK-29573
> URL: https://issues.apache.org/jira/browse/SPARK-29573
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
>Affects Versions: 3.0.0
>Reporter: ABHISHEK KUMAR GUPTA
>Priority: Major
>
> Spark and PostgreSQL result is different when concatenating as below :
> {code}
> Spark : Giving NULL result
> 0: jdbc:hive2://10.18.19.208:23040/default> select * from emp12;
> +-+-+
> | id | name |
> +-+-+
> | 20 | test |
> | 10 | number |
> +-+-+
> 2 rows selected (3.683 seconds)
> 0: jdbc:hive2://10.18.19.208:23040/default> select id as ID, id+name as
> address from emp12;
> +-+--+
> | ID | address |
> +-+--+
> | 20 | NULL |
> | 10 | NULL |
> +-+--+
> 2 rows selected (0.649 seconds)
> 0: jdbc:hive2://10.18.19.208:23040/default> select id as ID, id+name as
> address from emp12;
> +-+--+
> | ID | address |
> +-+--+
> | 20 | NULL |
> | 10 | NULL |
> +-+--+
> 2 rows selected (0.406 seconds)
> 0: jdbc:hive2://10.18.19.208:23040/default> select id as ID, id+','+name as
> address from emp12;
> +-+--+
> | ID | address |
> +-+--+
> | 20 | NULL |
> | 10 | NULL |
> +-+--+
> PostgreSQL: Saying throwing Error saying not supported
> create table emp12(id int,name varchar(255));
> insert into emp12 values(10,'number');
> insert into emp12 values(20,'test');
> select id as ID, id+','+name as address from emp12;
> output: invalid input syntax for integer: ","
> create table emp12(id int,name varchar(255));
> insert into emp12 values(10,'number');
> insert into emp12 values(20,'test');
> select id as ID, id+name as address from emp12;
> Output: 42883: operator does not exist: integer + character varying
> {code}
>
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[jira] [Commented] (SPARK-29573) Spark should work as PostgreSQL when using + Operator
[
https://issues.apache.org/jira/browse/SPARK-29573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16960995#comment-16960995
]
Hyukjin Kwon commented on SPARK-29573:
--
[~abhishek.akg] can you please use \{code\} ... \{code\} block?
> Spark should work as PostgreSQL when using + Operator
> -
>
> Key: SPARK-29573
> URL: https://issues.apache.org/jira/browse/SPARK-29573
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
>Affects Versions: 3.0.0
>Reporter: ABHISHEK KUMAR GUPTA
>Priority: Major
>
> Spark and PostgreSQL result is different when concatenating as below :
> Spark : Giving NULL result
> {code}
> 0: jdbc:hive2://10.18.19.208:23040/default> select * from emp12;
> +-+-+
> | id | name |
> +-+-+
> | 20 | test |
> | 10 | number |
> +-+-+
> 2 rows selected (3.683 seconds)
> 0: jdbc:hive2://10.18.19.208:23040/default> select id as ID, id+name as
> address from emp12;
> +-+--+
> | ID | address |
> +-+--+
> | 20 | NULL |
> | 10 | NULL |
> +-+--+
> 2 rows selected (0.649 seconds)
> 0: jdbc:hive2://10.18.19.208:23040/default> select id as ID, id+name as
> address from emp12;
> +-+--+
> | ID | address |
> +-+--+
> | 20 | NULL |
> | 10 | NULL |
> +-+--+
> 2 rows selected (0.406 seconds)
> 0: jdbc:hive2://10.18.19.208:23040/default> select id as ID, id+','+name as
> address from emp12;
> +-+--+
> | ID | address |
> +-+--+
> | 20 | NULL |
> | 10 | NULL |
> +-+--+
> {code}
>
> PostgreSQL: Saying throwing Error saying not supported
> {code}
> create table emp12(id int,name varchar(255));
> insert into emp12 values(10,'number');
> insert into emp12 values(20,'test');
> select id as ID, id+','+name as address from emp12;
> output: invalid input syntax for integer: ","
> create table emp12(id int,name varchar(255));
> insert into emp12 values(10,'number');
> insert into emp12 values(20,'test');
> select id as ID, id+name as address from emp12;
> Output: 42883: operator does not exist: integer + character varying
> {code}
>
> It should throw Error in Spark if it is not supported.
>
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